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author | Gwenhael Goavec-Merou <gwenhael.goavec-merou@armadeus.com> | 2011-04-29 05:21:39 +0000 |
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committer | Sascha Hauer <s.hauer@pengutronix.de> | 2011-05-19 13:11:37 +0200 |
commit | 7fc92c6092d7208e53d35cda32a9181aae396adf (patch) | |
tree | 310fe4858c389442a735ed0349c9f9e4ec1c24ab /arch/arm/mach-imx/mach-apf9328.c | |
parent | 6ec02091f766fed4c4cbcafe7b33a935f582ba8d (diff) | |
download | op-kernel-dev-7fc92c6092d7208e53d35cda32a9181aae396adf.zip op-kernel-dev-7fc92c6092d7208e53d35cda32a9181aae396adf.tar.gz |
MX1: Add ARMadeus Systems APF9328 board support
APF9328 is an i.MXL based SOM (System On Module) that can be plugged on
several docking/development boards. Here only basic module support
is added (Ethernet, Serial, NOR Flash).
Signed-off-by: Gwenhael Goavec-Merou <gwenhael.goavec-merou@armadeus.com>
Signed-off-by: Eric Jarrige <eric.jarrige@armadeus.org>
Signed-off-by: Nicolas Colombain <nicolas.colombain@armadeus.com>
Signed-off-by: Julien Boibessot <julien.boibessot@armadeus.com>
Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'arch/arm/mach-imx/mach-apf9328.c')
-rw-r--r-- | arch/arm/mach-imx/mach-apf9328.c | 144 |
1 files changed, 144 insertions, 0 deletions
diff --git a/arch/arm/mach-imx/mach-apf9328.c b/arch/arm/mach-imx/mach-apf9328.c new file mode 100644 index 0000000..15e45c8 --- /dev/null +++ b/arch/arm/mach-imx/mach-apf9328.c @@ -0,0 +1,144 @@ +/* + * linux/arch/arm/mach-imx/mach-apf9328.c + * + * Copyright (c) 2005-2011 ARMadeus systems <support@armadeus.com> + * + * This work is based on mach-scb9328.c which is: + * Copyright (c) 2004 Sascha Hauer <saschahauer@web.de> + * Copyright (c) 2006-2008 Juergen Beisert <jbeisert@netscape.net> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + */ + +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/platform_device.h> +#include <linux/mtd/physmap.h> +#include <linux/dm9000.h> + +#include <asm/mach-types.h> +#include <asm/mach/arch.h> +#include <asm/mach/time.h> + +#include <mach/common.h> +#include <mach/hardware.h> +#include <mach/irqs.h> +#include <mach/iomux-mx1.h> + +#include "devices-imx1.h" + +static const int apf9328_pins[] __initconst = { + /* UART1 */ + PC9_PF_UART1_CTS, + PC10_PF_UART1_RTS, + PC11_PF_UART1_TXD, + PC12_PF_UART1_RXD, + /* UART2 */ + PB28_PF_UART2_CTS, + PB29_PF_UART2_RTS, + PB30_PF_UART2_TXD, + PB31_PF_UART2_RXD, +}; + +/* + * The APF9328 can have up to 32MB NOR Flash + */ +static struct resource flash_resource = { + .start = MX1_CS0_PHYS, + .end = MX1_CS0_PHYS + SZ_32M - 1, + .flags = IORESOURCE_MEM, +}; + +static struct physmap_flash_data apf9328_flash_data = { + .width = 2, +}; + +static struct platform_device apf9328_flash_device = { + .name = "physmap-flash", + .id = 0, + .dev = { + .platform_data = &apf9328_flash_data, + }, + .resource = &flash_resource, + .num_resources = 1, +}; + +/* + * APF9328 has a DM9000 Ethernet controller + */ +static struct dm9000_plat_data dm9000_setup = { + .flags = DM9000_PLATF_16BITONLY +}; + +static struct resource dm9000_resources[] = { + { + .start = MX1_CS4_PHYS + 0x00C00000, + .end = MX1_CS4_PHYS + 0x00C00001, + .flags = IORESOURCE_MEM, + }, { + .start = MX1_CS4_PHYS + 0x00C00002, + .end = MX1_CS4_PHYS + 0x00C00003, + .flags = IORESOURCE_MEM, + }, { + .start = IRQ_GPIOB(14), + .end = IRQ_GPIOB(14), + .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL, + }, +}; + +static struct platform_device dm9000x_device = { + .name = "dm9000", + .id = 0, + .num_resources = ARRAY_SIZE(dm9000_resources), + .resource = dm9000_resources, + .dev = { + .platform_data = &dm9000_setup, + } +}; + +/* --- SERIAL RESSOURCE --- */ +static const struct imxuart_platform_data uart0_pdata __initconst = { + .flags = 0, +}; + +static const struct imxuart_platform_data uart1_pdata __initconst = { + .flags = IMXUART_HAVE_RTSCTS, +}; + +static struct platform_device *devices[] __initdata = { + &apf9328_flash_device, + &dm9000x_device, +}; + +static void __init apf9328_init(void) +{ + mxc_gpio_setup_multiple_pins(apf9328_pins, + ARRAY_SIZE(apf9328_pins), + "APF9328"); + + imx1_add_imx_uart0(&uart0_pdata); + imx1_add_imx_uart1(&uart1_pdata); + + platform_add_devices(devices, ARRAY_SIZE(devices)); +} + +static void __init apf9328_timer_init(void) +{ + mx1_clocks_init(32768); +} + +static struct sys_timer apf9328_timer = { + .init = apf9328_timer_init, +}; + +MACHINE_START(APF9328, "Armadeus APF9328") + /* Maintainer: Gwenhael Goavec-Merou, ARMadeus Systems */ + .map_io = mx1_map_io, + .init_early = imx1_init_early, + .init_irq = mx1_init_irq, + .timer = &apf9328_timer, + .init_machine = apf9328_init, +MACHINE_END |